X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fline-reader.c;h=56a368da2965f08f6c7d9c43aa69ae5cfca155d9;hb=bc2bcb0e2e77b4b02a32d6179b8ee6673bfdffa6;hp=6f90b502cd856dd64db366ce1bb36561141648f0;hpb=815b194a23ee63977333c1e9d8fe11c2ccc7edd1;p=pspp

diff --git a/src/libpspp/line-reader.c b/src/libpspp/line-reader.c
index 6f90b502cd..56a368da29 100644
--- a/src/libpspp/line-reader.c
+++ b/src/libpspp/line-reader.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2010, 2011, 2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -311,9 +311,9 @@ off_t
 line_reader_tell (const struct line_reader *r)
 {
   off_t pos = lseek (r->fd, 0, SEEK_CUR);
-  if (pos >= 0)
-    pos = MAX (0, pos - r->length);
-  return pos;
+  return (pos < 0 ? pos
+          : pos >= r->length ? pos - r->length
+          : 0);
 }
 
 /* Returns true if end of file has been encountered reading R. */